... : 2.1 kilograms Solar panels: 7.5 W + (1.25 W *4) = 12.5 Product descriptionSolar digital camera backpack, travel bag,laptop bag ... .Mobile Power battery capacity: (Mobile Power battery capacity)SB-A 3.7 V 12000 MAH 13 "LAPTOP working 2 HSB-A 16000 ... , support cell phones, digital camera, PDA, PMP, GPS etc 5 V charging digital products.b.(eight file adjustable output) 3 V 1 A, support ...